Komatsu JGXR10-1, JGXR15-1, JGXR20-1, JGXR30-1, JGXR40-1, JGXR50-1, JGXR60-1, JGXR80-1, JGXR120-1 XCentric Ripper Operation and Maintenance Manual (PEN00672-001)
These XCentric Rippers usually live in hard rock, trenching, and demolition work, hanging off an excavator that’s getting pushed all day. This Operation and Maintenance Manual helps you set a sensible service rhythm so the ripper keeps hitting hard without beating itself to death. I use this kind of book to plan inspections around your production schedule, spot early play in pins or wear in the housing, and adjust how operators run it in different ground conditions. For example, if the ripper starts losing breaking power or feels “off-beat,” this manual guides you through what to check first before you pull it off the machine.
Applications & Use Cases
- Plan preventive maintenance so pin joints, bushings, and main frame don’t fail mid-contract.
- Trace hydraulic-related issues by verifying hose routing, connections, and basic settings on the carrier.
- Inspect wear areas on the tooth, shank, and mounting points to catch cracks or looseness early.
- Align operation methods with the material you’re ripping to reduce stress and extend life.
- Schedule downtime around recommended service checks instead of reacting to unexpected breakdowns.
FAQ
Q: Can I keep this manual on a tablet in the cab?
A: Yes, it’s handy to have digitally so the operator can zoom diagrams and confirm procedures on-site.
Q: Is it worth printing certain pages?
A: I’d print the routine checklists and inspection points and keep them in a binder in the workshop.
Safety Note
Always follow the lockout and pressure-release steps in the manual before inspecting or servicing the ripper.
📘 Show Index
Komatsu JGXR10-1, JGXR15-1, JGXR20-1, JGXR30-1, JGXR40-1, JGXR50-1, JGXR60-1, JGXR80-1, JGXR120-1 XCentric Ripper Index:
- KOMATSU XCENTRIC RIPPER Operation & Maintenance Manual
- FOREWORD
- BERORE READING THIS MANUAL
- IMPORTANT SAFETY INFORMATION
- MODEL AND PLATE
- CONTENTS
- SAFETY
- SAFETY INFORMATION AND PRECAUTIONS
- Safety information
- General safety instructions
- Correct and incorrect use of the ripper
- Safety instruction sticker
- Work, inspection and safety areas
- Hazards
- SPECIFICATION
- NAME OF COMPONENTS AND SPECIFICATIONS
- TECHNICAL CHARACTERISTICS
- General description
- Working area
- Scope of use
- Production and performance
- Use under water
- Low noise pollution
- No daily maintenance needed
- INSTALLATION
- INSTALLING AND REMOVING THE RIPPER
- OPERATION
- OPERATION
- Instructions for using the ripper
- Precautions when operating the ripper
- Handling the ripper
- Incorrect use of the ripper
- Work interruption
- Cleaning
- TRANSPORT
- LONG TERM STORAGE
- MAINTENANCE
- MAINTENANCE, INSPECTION AND REPAIR
- Daily inspection
- Maintenance plan
- LUBRICANTS AND HYDRAULIC SYSTEM
- Hydraulic oil and grease
- Oil filter on the excavato
- Eccentric gear housing lubricant
- Oil quantities
- Oil change eccentric gear housing
- Pivot arm lubricant
- Filling the pivot arm lubricant
- TOOTH REPLACEMENT
- Removing the tooth (JGXR 10 – JGXR 15 – JGXR 20)
- Removing the tooth (JGXR 30 – JGXR 40)
- Removing the tooth (JGXR 50 – JGXR 60 – JGXR 80 – JGXR120)
- Problems when removing the tooth
- Checking the fit of the tooth on the tooth holder
- Installing the tooth (JGXR 10 – JGXR 15 – JGXR 20)
- Installing the tooth (JGXR 30 – JGXR 40)
- Installing the tooth (JGXR50 – JGXR 60 – JGXR 80 – JGXR120)
- Teeth dimensions and weights, wear limit
- Tooth failure
- TROUBLESHOOTING
- BOLT TIGHTENING TORQUES
Link Belt
